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### Iron ore sintering SpringerLink

2009-1-12 High temperature reaction calorimetry has been used to measure the heat of solution of the ore in the melt formed during iron ore sintering. The dehydration and calcination of iron ore and flux samples was also examined using high-temperature reaction calorimetry. The results support the DSC/TG findings. Download to read the full article text.

MoreOnline Chat### Determination method of high-temperature characteristics ...

2019-1-30 The high-temperature characteristics of iron ores play important roles in optimizing ore proportion of sintering, which are tested by using iron-ore fines and analytical reagent CaO as raw materials. Two calculation methods of CaO addition amount based on binary basicity (basicity method) and n(Fe2O3)/n(CaO) (mole ratio method), respectively, were employed to evaluate the liquid phase

MoreOnline Chat### Thermodynamic Modelling of Iron Ore Sintering Reactions

Silico-ferrite of calcium and aluminum (SFCA) is one of the most commonly-produced phases in fluxed iron-ore sintering, and has long been regarded as an important

MoreOnline Chat### (PDF) Modeling Sintering Process of Iron Ore

In the iron ore sintering process, air flow rate is a major factor in determining the flame front speed which in turn influences the sinter quality and productivity.

MoreOnline Chat### High-temperature performance prediction of iron ore fines ...

2014-8-5 The high-temperature performance of iron ore fines is an important factor in optimizing ore blending in sintering. However, the application of linear regression analysis and the linear combination method in most other studies always leads to a large deviation from the desired results. In this study, the fuzzy membership functions of the assimilation ability temperature and the liquid fluidity ...

MoreOnline Chat### Ore-blending optimization for Canadian iron concentrate ...

2019-9-25 Canadian iron concentrate (CIC) can elevate the ferrous grade and lower the contents of gangue components and harmful elements in the sinter. To understand high-temperature characteristics of CIC and typical iron ore, the formation of the melt was calculated mainly through FactSage 7.2, and melt fluidity (MF) test for iron ore fines and penetration characteristic test of CIC melt into iron ore ...

MoreOnline Chat### Sintering Characteristics of Titanium Containing Iron Ores

The effect of Ti-oxide on the sintering behaviour of iron ore has been studied by doping pure TiO2 to a sinter blend in laboratory tests. The results showed a considerable effect of TiO2 on sinter ...

MoreOnline Chat### Modelling fuel combustion in iron ore sintering ...

2015-4-1 Iron ore sintering is used all over the world to prepare agglomerates for the ironmaking blast furnace , . Figure 1 shows a schematic diagram of the major processes in a typical iron ore sintering plant. The blended sinter mix – typically composed of iron ores, fluxes, returned sinter fines, plant dust and about 4 wt.% coke breeze – is first granulated to coarsen its size distribution.

MoreOnline Chat### Oxidation and Sintering Characteristics of Magnetite Iron ...

2011-9-21 The oxidation and sintering characteristics of magnetite iron ore pellets balled with a novel complex binder (namely MHA) were mainly investigated by batch isothermal oxidation measurements in this research. Combined results reveal that the thermal decomposition of MHA binder influences the oxidation and sintering processes of dried pellets.

MoreOnline Chat### (PDF) Use of coke oven gas in iron ore sintering

At the same time, the pores over 5 mm growth are promoted and the permeability is improved in the sintering bed. Moreover, the low-temperature sintering process depresses the iron ore self ...

MoreOnline Chat### Mathematical Modelling and Simulation of the Iron Ore ...

In an iron ore sintering bed, combustion of solid fuel supplies heat needed for sintering of fine particles and determines the quality of the sintered ores and the productivity of the process.

MoreOnline Chat### Sintering Characteristics of Titanium Containing Iron Ores

The effect of Ti-oxide on the sintering behaviour of iron ore has been studied by doping pure TiO2 to a sinter blend in laboratory tests. The results showed a considerable effect of TiO2 on sinter ...

MoreOnline Chat### Dynamic process modelling of iron ore sintering - Nath ...

2016-12-13 A mathematical model was developed for the iron ore sintering process considering all the major thermochemical phenomena in the system, assuming both the static and moving bed configurations. The model predicted a large number of parameters pertinent to the sintering process including the temperatures of the gas and solid, concentration of ...

MoreOnline Chat### Optimization of Dolomite Usage in Iron Ore Sintering

1. Introduction. With the increase of iron ore consumption in iron and steel industry all over the world, obvious degradation of high quality iron ores occurs, 1,2) some low grade and high SiO 2 iron ores are also newly developed, 3) which leads to increase of SiO 2 content in the sinter mixture, and then increase of slag content of sinter. In order to keep the grade and slag content of sinter ...

MoreOnline Chat### Optimising iron ore sinter leads to cost savings - CSIRO

We simulated industrial sintering using advanced x-ray diffraction techniques, revealing the mineralogical changes that occurred as a function of temperature and time for each ore type. As a result, we determined how each alumina type of iron ore would perform during processing. The results

MoreOnline Chat### Mathematical modeling and combustion characteristic ...

2016-6-1 Mathematical modeling and combustion characteristic evaluation of a flue gas recirculation iron ore sintering process. ... The simulated results of the bed temperatures are close to the experimental data with regard to MaxT at given locations and duration times at high temperatures. The times of temperature increase for the simulation show a ...

MoreOnline Chat### Oxidation and Sintering Characteristics of Magnetite Iron ...

2011-9-21 The oxidation and sintering characteristics of magnetite iron ore pellets balled with a novel complex binder (namely MHA) were mainly investigated by batch isothermal oxidation measurements in this research. Combined results reveal that the thermal decomposition of MHA binder influences the oxidation and sintering processes of dried pellets.

MoreOnline Chat### (PDF) Use of coke oven gas in iron ore sintering

At the same time, the pores over 5 mm growth are promoted and the permeability is improved in the sintering bed. Moreover, the low-temperature sintering process depresses the iron ore self ...

MoreOnline Chat### (PDF) Effects of Alumina on Sintering Performance of ...

The results of the laboratory experiments indicate that for production of good quality sinter from iron ore fines received from Bolani and Gua mines, in particular, use of mill scale along with ...

MoreOnline Chat### Mathematical modeling of and parametric studies on flue ...

2016-6-5 In iron ore sintering, the high-temperature zone is the major resistance to airflow/gas flow and, therefore, the major contributor to the pressure drop across sinter bed . Compared to CS, the temperature of input flue gas in FGRS is higher than fresh air, and CO could be consumed in the sintered zone, resulting in wider high-temperature zone ...

MoreOnline Chat### Iron ore sintering: CCCharacterization by calorimetry and ...

Differential scanning and high temperature reaction calorimetry have been used to characterize a series of natural iron ore and flux samples commonly used during iron ore sintering. Most iron ore samples were shown to contain measurable quantities of goethite, with a characteristic dehydration peak in DSC and TG between 200 and 400°C.

MoreOnline Chat### Mathematical Modelling and Simulation of the Iron Ore ...

In an iron ore sintering bed, combustion of solid fuel supplies heat needed for sintering of fine particles and determines the quality of the sintered ores and the productivity of the process.

MoreOnline Chat### Sintering Characteristics of Titanium Containing Iron Ores

The effect of Ti-oxide on the sintering behaviour of iron ore has been studied by doping pure TiO2 to a sinter blend in laboratory tests. The results showed a considerable effect of TiO2 on sinter ...

MoreOnline Chat### Dynamic process modelling of iron ore sintering - Nath ...

2016-12-13 A mathematical model was developed for the iron ore sintering process considering all the major thermochemical phenomena in the system, assuming both the static and moving bed configurations. The model predicted a large number of parameters pertinent to the sintering process including the temperatures of the gas and solid, concentration of ...

MoreOnline Chat### Mathematical modeling and combustion characteristic ...

2016-6-1 Mathematical modeling and combustion characteristic evaluation of a flue gas recirculation iron ore sintering process. ... The simulated results of the bed temperatures are close to the experimental data with regard to MaxT at given locations and duration times at high temperatures. The times of temperature increase for the simulation show a ...

MoreOnline Chat### Oxidation and Sintering Characteristics of Magnetite Iron ...

2011-9-21 The oxidation and sintering characteristics of magnetite iron ore pellets balled with a novel complex binder (namely MHA) were mainly investigated by batch isothermal oxidation measurements in this research. Combined results reveal that the thermal decomposition of MHA binder influences the oxidation and sintering processes of dried pellets.

MoreOnline Chat### (PDF) Use of coke oven gas in iron ore sintering

At the same time, the pores over 5 mm growth are promoted and the permeability is improved in the sintering bed. Moreover, the low-temperature sintering process depresses the iron ore self ...

MoreOnline Chat### Mathematical modeling of and parametric studies on flue ...

2016-6-5 In iron ore sintering, the high-temperature zone is the major resistance to airflow/gas flow and, therefore, the major contributor to the pressure drop across sinter bed . Compared to CS, the temperature of input flue gas in FGRS is higher than fresh air, and CO could be consumed in the sintered zone, resulting in wider high-temperature zone ...

MoreOnline Chat### (PDF) Effects of Alumina on Sintering Performance of ...

The results of the laboratory experiments indicate that for production of good quality sinter from iron ore fines received from Bolani and Gua mines, in particular, use of mill scale along with ...

MoreOnline Chat### Modeling and optimization method featuring multiple ...

2016-9-1 Iron ore sintering is the process of heating iron ore fines, coke fines, and other materials to produce a semi-molten mass that solidifies into porous pieces of sinter with a size and strength suitable for a blast furnace. It is the second most energy-consuming process in steelmaking.

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